diff options
| author | Till Straumann <strauman@slac.stanford.edu> | 2005-11-09 03:20:13 +0000 |
|---|---|---|
| committer | Till Straumann <strauman@slac.stanford.edu> | 2005-11-09 03:20:13 +0000 |
| commit | dad43ef2eb0c892c38795f30751cc7ffa5c1424f (patch) | |
| tree | 0159a1ce23b6b0b08684bb30e31e50e6532852ad /c/src/lib/libbsp/powerpc/shared/startup/bspstart.c | |
| parent | 2005-11-08 Till Straumann <strauman@slac.stanford.edu> (diff) | |
| download | rtems-dad43ef2eb0c892c38795f30751cc7ffa5c1424f.tar.bz2 | |
2005-11-08 Till Straumann <strauman@slac.stanford.edu>
PR 845/bsps
* startup/bspstart.c, start/start.S: setup BATs prior to attempting any
device access - missing BAT mappings were probably the reason for the
MMU malfunction assumption. Enabled MSR_DR.
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/startup/bspstart.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/startup/bspstart.c b/c/src/lib/libbsp/powerpc/shared/startup/bspstart.c index 5b5b3c15a6..a6be69a451 100644 --- a/c/src/lib/libbsp/powerpc/shared/startup/bspstart.c +++ b/c/src/lib/libbsp/powerpc/shared/startup/bspstart.c @@ -262,9 +262,32 @@ void bsp_start( void ) myCpu = get_ppc_cpu_type(); myCpuRevision = get_ppc_cpu_revision(); + /* + * Init MMU block address translation to enable hardware access + */ + +#if !defined(mvme2100) + /* + * PC legacy IO space used for inb/outb and all PC compatible hardware + */ + setdbat(1, _IO_BASE, _IO_BASE, 0x10000000, IO_PAGE); +#endif + + /* + * PCI devices memory area. Needed to access OpenPIC features + * provided by the Raven + * + * T. Straumann: give more PCI address space + */ + setdbat(2, PCI_MEM_BASE, PCI_MEM_BASE, 0x10000000, IO_PAGE); + + /* + * Must have access to OpenPIC PCI ACK registers provided by the Raven + */ + setdbat(3, 0xf0000000, 0xf0000000, 0x10000000, IO_PAGE); + #if defined(mvme2100) EUMBBAR = get_eumbbar(); - { unsigned v = 0x3000 ; _CPU_MSR_SET(v); } #endif /* @@ -323,29 +346,6 @@ void bsp_start( void ) */ initialize_exceptions(); - /* - * Init MMU block address translation to enable hardware access - */ -#if !defined(mvme2100) - /* - * PC legacy IO space used for inb/outb and all PC compatible hardware - */ - setdbat(1, _IO_BASE, _IO_BASE, 0x10000000, IO_PAGE); -#endif - - /* - * PCI devices memory area. Needed to access OpenPIC features - * provided by the Raven - * - * T. Straumann: give more PCI address space - */ - setdbat(2, PCI_MEM_BASE, PCI_MEM_BASE, 0x10000000, IO_PAGE); - - /* - * Must have access to OpenPIC PCI ACK registers provided by the Raven - */ - setdbat(3, 0xf0000000, 0xf0000000, 0x10000000, IO_PAGE); - select_console(CONSOLE_LOG); /* |